Untitled

 <head>
<script src="jquery.js" type="text/javascript"></script>
 </head>

 <script>
 function test(result)
 {
     $.ajax({
             type:'POST',
             url:'test.php',
             data:{sort:id},
             success:function(data){
                 $('#res').html(data)
             }
     })
 }
 </script>

 <a href="#" onclick="test('text')">link</a>
 <div id="res">
 <?php
 if (isset($_POST['result'])) {
 	echo $_POST['result'];
 ?>
 </div>